Disasters are incidents that cause significant physical damage or destruction to life and property or result in a drastic change in the environment.
Disasters can be broadly categorised into :
1. Natural disasters — It includes floods, cyclones, earthquakes and droughts that happen with natural forces and no human intervention.
2. Man-made disasters — It includes train accidents, plane crashes, nuclear or industrial accidents, biological disasters, terrorist attacks, use of weapons and mass destruction which are caused by human acts.
